Sunday
August 28, 2016

Posts by anon

Total # Posts: 2,315

Algebra
The vertex of a parabola represented by f(x)=x^2-4x+3 has coordinates of (2,-1). Find the coordinates of the vertex of the parabola defined by g(x)=f(x-2). Explain how you arrived to your answer. My question: Would you move the parabola represented by f(x) 2 spaces to the ...
May 2, 2016

Anatomy and Phys 1
I have a case study that I need to do and I need someone to help simplify it for me. I would greatly appreciate it and thanks in advance! Beginning with depolarization at the neuromuscular junction, describe the normal sequence of events which lead to muscle contraction and ...
April 28, 2016

algebra
A soccer ball is kicked toward the goal. The height of the ball is modeled by the function h(t) = −16t2 + 48t where t equals the time in seconds and h(t) represents the height of the ball at time t seconds. What is the axis of symmetry, and what does it represent? t = 1....
April 27, 2016

Language Arts, check!!!
Actually nvm I can confirm the other answers too. The answers B C A D are correct for the "unit 3 Lesson 13: Read: Kid Territory: Why Do We Need Zoos?"
April 25, 2016

Language Arts, check!!!
It depends on the assignment. If you are on a "unit 3: dramatic transformations lesson 12: read: zoos: joys or jails?" then the following answers are correct: B D A A However, I cannot confirm the answers for any other assignment.
April 25, 2016

statistics
A math test consists of 17 multiple choice questions, each with five possible answers (a, b, c, d, e), only one of which is correct. Assume that a student takes the test and randomly answers the questions. What is the probability that the student will get no questions correct?
April 24, 2016

Calculus
a(t)=4sin3t;v(0)=1,s(0)=6 I'm trying to find expression for s(t). Should I wait till the end to add find and add constant. I got [1/9(13t-4sin(3t))+6] and it was wrong.
April 24, 2016

Chemistry
H3O conc will be 0.0045M because HNO3 is a strong acid
April 24, 2016

chemistry
I posted a question several days ago: The pH of human blood needs to be between 7.35 and 7.45. You want to prepare a buffer solution that gives a pH of 7.40. You decide to use a sodium phosphate buffer: the acid is H2PO−4 and the conjugate base is HPO2−4 . You want...
April 24, 2016

chemistry
Thank you, i figured out where I made the error.
April 23, 2016

chemistry
Hi, I am trying to find the pH of a buffer I created and then added NaOH to. This is my data: total volume of solution 34.2 mL [NaOH] before reaction 6.0 [HOAc] before reaction .8 M [OAc-] before reaction .4 M [HOAc] after reaction 0 M [OAc-] after reaction 5.2 M So, how would...
April 23, 2016

chemistry
Consider the following reaction. 2 CO (g) + O2 (g) −→ 2 CO2 (g) What is most likely true about the entropy change for this reaction? Why would the delta s of the rxn be less than zero? thanks.
April 22, 2016

Chemistry
thank you
April 22, 2016

Pre Algebra
Anonymous you are wrong...I used Kelsey's answers and got 100%
April 20, 2016

Chemistry
In a student's experiment, when 40 mL of 6% (w/w) hydrogen peroxide solution was reacted with 10 mL 0.5 M FeCl3 solution, a ΔrH of -3,382 J was calculated. Calculate ΔH for this reaction in kJ mol-1. Give your answer to 2 decimal places, do not include the units ...
April 19, 2016

Biology , AP Biology
which of the following are autotrophs ? A. plants , some protists and some bacteria B. plants C. plants and some bacteria D. plants and some protists
April 16, 2016

calculus
A 5.5 foot tall woman walks at 6ft/s torward a street light that is 16.5 ft above the ground. what is the rate of change of the length of her shadow when she is 14ft from the street light? At what rate is the tip of her shadow moving? How do I get the equation for this and how...
April 14, 2016

physics
If you launch a marble out of a launcher on a table with a given angle, and you know that range( distance it travelled) and time travelled ( if needed). The only force acting upon is gravity. How would you find the initial speed or velocity of the launcher? Is there a formula?
April 12, 2016

Math
Find how many numbers bigger than 2,999 and less than 8,999 can be formed from the odd digits, if no digits can be repeated.
April 11, 2016

Chemistry
Nitric oxide is formed and the equation is N2 + O2 <--> 2NO Calculate the equilibrium constant now?
April 4, 2016

College Algebra
3100 is correct, the typo is 2900. Thank you for helping.
March 31, 2016

College Algebra
Write a sentence explaining the meaning of the slope and y-intercept for the given linear relation. According to the Statistical Abstract of the United States, the number of crimes, C, reported since 1998 is given by the equation: C=31000-29t where t is in years. A. What is ...
March 31, 2016

math
Weights of women are normally distributed with mean 143 pounds and standard deviation 29 pounds. If 36 women are randomly selected, what is the probability that their mean weight is between 120 and 160 pounds? Round your answer to two decimal places.
March 31, 2016

math
Adult IQ scores are normally distributed with mean 100 and standard deviation 15. Find the IQ score that separates the adults with the highest 3% of IQ scores from the rest of the adults. Round your answer to the nearest whole number.
March 31, 2016

Mathematics
12, 6, 6 cm
March 30, 2016

Mathematics
About what much? Please clarify.
March 30, 2016

Mathematics
All the surfaces of the lantern will be made of paper. What is the least amount of paper needed to make the lantern?
March 30, 2016

us history
Thank you!
March 29, 2016

us history
Which of these Transcendentalist ideas had the most direct impact on the civil rights movement of the 20th century?  (6 points) A. God and nature are one and the same thing. B. People should peacefully protest unjust laws. C. Self-reflection is the most direct way ...
March 29, 2016

us history
Thank you Ms. Sue, Jamie, and James :)
March 29, 2016

us history
Jamie, I am not sure if B would be right. I think it's a good choice.
March 29, 2016

us history
What was the result of the Seneca Falls Convention in 1848?  (6 points) A. Paulina Davis' shocking speech B. The Declaration of Sentiments C. the push for anti-slavery legislation D. the creation of the National Woman Suffrage Association I THINK IT IS D. AM I ...
March 29, 2016

us history
Thank you James :)
March 29, 2016

us history
Which of the following best describes the contributions of Dorothea Dix?   Dorothea Dix helped found the first homeless shelter for poverty stricken families in the late 1800s. Dorothea Dix educated people about mental illness and the possibility of recovery for most ...
March 29, 2016

us history
Thank you James and Ms. Sue :)
March 29, 2016

us history
I think it is D because conversion means changing from one belief or religion and I do not think the other answers indicate that.
March 29, 2016

us history
I will not go by anybody who is under anonymous. I rather get more professional help with Ms. Sue or another teacher. Thanks for trying tho.
March 29, 2016

us history
The idea of "conversion" is best explained as which of the following?   A. the process of cultural change brought about by immigration B. the process of changing the frontier into settled communities C. the process of spreading United States territory across ...
March 29, 2016

us history
Thank you. Your the best!
March 29, 2016

us history
I do not need your help I need help from Ms. Sue or another qualified teacher. Thank you.
March 29, 2016

us history
What was the main effect of the Civil War on the women's movement? A. The women's movement shifted their focus to helping widows of the Civil War. B. The movement was put on hold while women focused on anti-slavery reform and the war effort. C. The movement was ...
March 29, 2016

Algebra
An investor invested a total of $1900 in two mutual funds. One fund earned a 6% profit while the other earned a 2% profit. If the investor's total profit was $94, how much was invested in each mutual fund?
March 25, 2016

math
A metal worker has a metal alloy that 15% copper and another one is 70% copper. how many kilograms of each alloy should the metalworker combine to make 120kg of a 48% copper alloy?
March 25, 2016

math
A metal worker has a metal alloy that 30% copper and another one is 55% copper. how many kilograms of each alloy should the metalworker combine to make 50kg of a 50% copper alloy?
March 25, 2016

Linear Algebra
Diagonalize the matrix A = [1,1;-2,4] using a similarity transformation. Give the transformation matrices such that (C^−1)AC = D, where D is a diagonal matrix. (D, C) = ?
March 23, 2016

Math
Write a function that represents the situation. Find the balance A in the account after the given time period t. $2000 deposit that earns 5% annual interest compounded quarterly; 5 years A function is A= The balance of the account after 5 years is $_
March 22, 2016

Linear Algebra
Diagonalize the matrix A = [1,1;-2,4] using a similarity transformation. Give the transformation matrices such that (C^−1)AC = D, where D is a diagonal matrix. (D, C) = ?
March 21, 2016

Linear Algebra
Transform the matrix A=[5,−3;1,1], into a matrix B using the similarity transformation (C^−1)AC, with matrix C=[3,1;1,1]. B=(C^−1)AC = ?
March 21, 2016

Math
which shape has 5 faces 5 vertices and 8 edges? triangular Pyramid** Rectangular pyramid Pentagonal pyramid
March 17, 2016

Language Arts
No not really, its more of many opinions that seem like facts would C, or D be better
March 15, 2016

Language Arts
Excerpt from “I Am a Native of North America” by Chief Dan George Man must love fully or he will become the lowest of the animals. It is the power to love that makes him the greatest of them all . . . for he alone of all animals is capable of love. Love is something ...
March 15, 2016

Social Studies
How did improvements in transportation, communication, farming, and manufacturing affect the economy of the North? Break down your answer by providing an example of advancement in each of the four areas. Then discuss how that improvement led to changes in the North’s ...
March 15, 2016

Physics
A 313 μF defibrillator capacitor is charged to 4.94×103 V. When fired through a patients chest, it loses 95 % of its charge in 40 ms. What is the resistance of the patients chest?
March 14, 2016

Language Art's
Ms. Sue, what's wrong if the person has spelling errors.. They just need help
March 7, 2016

english, check please :)
Thank you, Reed.
March 7, 2016

english, check please :)
Sarcastic?
March 7, 2016

english, check please :)
Read this excerpt from a speech on women's rights delivered by Elizabeth Cady Stanton on July 19, 1848: We do not propose to petition the legislature to make our husbands just, generous, and courteous, to seat every man at the head of a cradle, and to clothe every woman in...
March 7, 2016

Physics
a box of mass 7 kg is pulled up a frictionless 30 degree incline by a force of 381 N which acts parallel to the incline surface. the box has an initial speed of 5m/s and is pulled 9m. what is the speed of the box at the end of the 9m.
March 3, 2016

precalculus
a plane is heading 60 degrees east of south at 180 km/hr. a 50 km/hr wind blows in the direction of 25 degrees west of south. find the resultant velocity and bearing.
March 2, 2016

precalulus
a ship travels 60 miles due east, then adjusts its course northward. after travelling 80 miles in the new direction, the ship is 139 miles from its point of departure. calculate the ship's bearing.
March 1, 2016

matth
i meant 17 for the answer, not 8
March 1, 2016

matth
first do g(0): 3-(0)2 = 3 then do f(3) since 3 was the answer to g(0): 6(3)-1 = 8
March 1, 2016

Math
The bottom of a shopping bag measures 8 inches by 10 inches. The bag has a height of 12 inches. How much paper is needed to make the bag?
February 29, 2016

math
Julia measured the high temperature in her town for one week. Using the chart below, find the mean absolute deviation for the high temperatures. Be sure to show your work for finding: graph:sunday:50 monday:56 tuesday:52 wednesday:46 thursday:48 friday:42 saturday:38
February 27, 2016

math
43
February 27, 2016

math
Thirteen bowlers were asked what their score was on their last game. The scores are shown below. 190, 150, 154, 194, 182, 190, 170, 151, 190, 170, 178, 161, 180 Find the range of the bowlers’ scores.
February 27, 2016

Math
imgurcom/TDXvnSw
February 27, 2016

Math
The line plot below represents the number of letters written to overseas pen pals by the students at Waverly Middle School. Each x represents 10 students. How many students wrote more than 6 and fewer than 20 letters?
February 27, 2016

REPOSTHealth PLEASE CHECK ANSWERS
1, 3, 4, 5, 6, and 7 are wrong. 2 is B 8 is B 9 is B 10 is C
February 26, 2016

Science
Maybe you should have learned it before you took the quiz.
February 22, 2016

math
Are all relations equations? Is there any instances where a relation is not a relation
February 22, 2016

Algebra
A projectile which is fired from the ground with a velocity of 960 ft/sec, at an angle of 30° above the ground, has a height at time t of h(t)=480t–16t2. Find the time when it hits the ground again.
February 21, 2016

CHEMISTRY PLEASE HELP APPRECIATE IT LOTS!
Thankyou thankyou so much. Making it harder than it should be.
February 18, 2016

CHEMISTRY PLEASE HELP APPRECIATE IT LOTS!
7.) How many moles of fluroine are required to react with 12 g of sodium iodide? I already balanced it but am confused to go from here F2 + 2 NAi ---- 2 NaF + I2 12 g NaI + 2 mol NAI/149.89 gNAi * 1 mol NAF/1 mol NAi * 1 mol F2 / 2 mol NaF 1.) how many grams of magnesium are ...
February 18, 2016

chem
If 15.22 g of mercury (II) oxide decompose, how many moles of oxygen can be produced?
February 18, 2016

Geography
1-B 2-D 3-A,B,C
February 10, 2016

Linear Algebra
True/False question Suppose that A is a 2 x 3 matrix such that A[1, 1, 1]^t = [2, 3]^t = A[2, 3, 4]^t. Then [1, 2, 3]^t belongs to the nullspace of A. I have no idea how to start this question/what it means.
February 6, 2016

science
please help!!
February 4, 2016

science
Some constellations, such as Ursa Minor, are visible in the sky year-round; other constellations appear for only part of the year. Explain why this happens. Please help this is my last question and it truly stumped! It'd mean the world if someone could explain this to me. ...
February 4, 2016

Calc II
Find the volume of the solid generated by rotating the region of the x-y plane between the line y=6, the curve y=3sin(x)+3 for -pi/2 < (or equal to) x < (or equal to) 5pi/2 about the line y = 6.
February 2, 2016

Chemistry
how do i figure out the moles of H2? Do I convert the mL to L and then divide that by the mass of H2?
January 31, 2016

Chemistry
Calculate the mass of Mg needed to produce ~40 mL of H2. how do I do this?
January 31, 2016

Algebra 1
A contestant on a quiz show gets 50 points for every correct answer and loses 100 points for each incorrect answer. After answering 24 questions, the contestant has 300 points. How many questions has the contestant answered correctly? Incorrectly?
January 30, 2016

Mathematics
The first three terms of a geometric sequence are: T1; T2; and T3. If T2 = T1 + 4 and T3 = T2 + 9, determine the values of T1; T2 and T3
January 30, 2016

Algebra 1 - 9th Grade
A contestant on a quiz show gets 50 points for every correct answer and loses 100 points for each incorrect answer. After answering 24 questions, the contestant has 300 points. How many questions has the contestant answered correctly? Incorrectly?
January 29, 2016

Science
Kpop is real is right! These are the answers for the What Causes Climate? quick check.
January 29, 2016

English
ugh no. I'm doing it right now I'm trying to find out 😹
January 29, 2016

Calc II
Find the function y = y(x) which solves the initial value problem: 4sec(x)*dy/dx = e^(y+sin(x)) where y(0) = -5
January 28, 2016

English
What is the secret to reaching someone with words? Which of the poems—"Concrete Mixers," "The City Is So Big," or "Harlem Night Song"—best uses words to create a vision or an idea of the city for you? In a paragraph, state your opinion ...
January 26, 2016

History
Hebrew symbol for l: symbol for pi basically Kanarda symbol for o: basically a curved w with a tail on the left Hindi : voiceless breath
January 25, 2016

Algebra
The quadratic function f is negative only on the open interval (−2, 1 4 ) and its graph passes through the point (−1, −5). Determine the coefficients of f and sketch its graph.
January 25, 2016

Algebra
The quadratic function f is negative only on the open interval (−2, 1 4 ) and its graph passes through the point (−1, −5). Determine the coefficients of f and sketch its graph.
January 25, 2016

Calc II
Write a simpler expression for z = ln(4x^4 + 11x^3) + ln(1/5x^3) which does not involve any powers on x which are bigger than 1. I have no idea how to simplify the first natural log since it has two x values with exponents.
January 24, 2016

tourism, maths literacy, business studies and econ
accounting, econ
January 24, 2016

Spanish
its A
January 24, 2016

Financial Math
Emily borrows 20,000 for 8 years at a nominal discount rate of 6% compounded quarterly. Calculate the amount of discount that Emily will pay.
January 24, 2016

Financial Math
You have $100 and could use it to buy 80 songs from itunes. Instead, you invest your $100 at an annual effective interest rate of 11.3% for 4 years. The price of songs on itunes is subject to an annual effective rate of inflation of r%. At the end of 4 years, you can buy 101 ...
January 24, 2016

Algebra 2 pt 2
I need help making a table 3. One of the fireworks is launched from the top of a 70ft tall building with an initial upward velocity of 150 ft/sec. a. What is the equation for this situation? g=-32ft/s^2 b. When will the firework land if it does not explode? 9.28 seconds c. ...
January 22, 2016

Maths lit.Economics.Business.Accounting.English.Afrikaans.
yeeeeessssssss
January 21, 2016

College Calc
A train travels from city A to city B and then to city C. The distance from A to B is 220 miles and the distance from B to C is 87.5 miles. The average speed from A to B was 55 miles per hour, and the average speed from B to C was 35 mph. What was the average speed from A to C...
January 21, 2016

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